CN209016682U - A kind of all-insulating tubular bus system - Google Patents
A kind of all-insulating tubular bus system Download PDFInfo
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- CN209016682U CN209016682U CN201821988142.3U CN201821988142U CN209016682U CN 209016682 U CN209016682 U CN 209016682U CN 201821988142 U CN201821988142 U CN 201821988142U CN 209016682 U CN209016682 U CN 209016682U
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Abstract
It is unreliable and aiming at the problem that pipe mother system is difficult to realize all insulation existing longer all-insulating tubular bus system earth the utility model relates to a kind of high-voltage electric power system connector, a kind of all-insulating tubular bus system is provided.All-insulating tubular bus system includes multistage all-insulating tubular bus and at least two tube type bus connectors；All-insulating tubular bus includes bus contact tube and bus insulation layer, and bus external shielding layer is arranged in bus insulation layer outer surface；It is characterized in that further include at least two ground lines；All-insulating tubular bus end is assemblied in tube type bus connector, and internal shield is arranged on the inner surface of tube type bus connector, and the external shielding layer and tube type bus connector internal shield of all-insulating tubular bus carry out shielding overlap joint；Without assigned in bus metal screen layer is provided on the outside of the naked section in tube type bus connector, ground line is arranged on bus metal screen layer all-insulating tubular bus, does not constitute circuit between any two ground line.
Description
Technical field
The utility model relates to a kind of high-voltage electric power system connectors, and in particular to a kind of all-insulating tubular bus system.
Background technique
In power transmission and transformation system, all-insulating tubular bus is using more and more extensive, the required all-insulating tubular bus in scene
When system single loop is long, typically multistage all-insulating tubular bus is connected and composed by attachment device.Chinese patent
(application number 201320877490.4) discloses a kind of attachment device, which includes for connecting all-insulating tubular bus
Insulation sleeve, insulation sleeve is internally provided with conductive sleeve, and insulation sleeve outer surface is provided with external shielding layer, insulation sleeve and all insulation cast
Shielded layer is respectively arranged at the port of bus insulation cooperation.This attachment device can conveniently, reliably be realized complete to multistage
Insulating tube type busbar connection, forms all-insulating tubular bus system.
But since the single loop all-insulating tubular bus system that scene uses is too long, to all-insulating tubular bus system
It is unreliable to carry out traditional one point earth, easily because Local earth grounds generate floating potential, all-insulating tubular bus is caused to insulate
Breakdown.And if carrying out multipoint earthing to all-insulating tubular bus system different parts, it is connected between each point, it will be complete exhausted
There is circulation on edge tube type bus external shielding layer, leading to all-insulating tubular bus system, external shielding layer is locally sent out in the process of running
Heat influences the reliability of shielding, reduces all-insulating tubular bus system insulation performance.
In addition, being generally used insulating cylinder for two sections when adjacent two sections of all insulation bus connection in existing bus-bar system
Bus is attached, and air insulation is still leaned in the insulation of junction, and over time, moisture and water can penetrate into insulating cylinder
Inside causes insulation performance to reduce, and influences system safety operation, and this mode is not carried out all insulation truly.
Utility model content
The purpose of this utility model is unreliable for existing longer all-insulating tubular bus system earth and pipe is maternal
The problem of system is difficult to realize all insulation, and a kind of all-insulating tubular bus system is provided.
To achieve the above object, the utility model provides a kind of all-insulating tubular bus system, including multistage all-insulation tube
Type bus and at least two tube type bus connectors；The all-insulating tubular bus includes bus contact tube and bus insulation layer,
Bus external shielding layer is arranged in bus insulation layer outer surface；It is characterized in that further include at least two ground lines；It is described complete exhausted
Edge tube type bus end is assemblied in tube type bus connector, internal shield is arranged on the inner surface of tube type bus connector, entirely
The external shielding layer and tube type bus connector internal shield of insulating tube type busbar carry out shielding overlap joint；The all-insulating tubular bus
Without assigned in bus metal screen layer is provided on the outside of the naked section in tube type bus connector, ground line is arranged in bus metal
On shielded layer, circuit is not constituted between any two ground line.
Further, above-mentioned tube type bus connector includes all insulation transition joint；The all insulation transition joint includes
The first external shielding layer is arranged in first conductive sleeve and the first insulation sleeve, the first insulation sleeve outer surface, and the is arranged on the first external shielding layer
One metal screen layer；Only end face shielded layer is arranged in one end end face to first insulation sleeve；Two sections of adjacent all-insulating tubular bus
In, the end of one of all-insulating tubular bus is connected with one end that the first insulation sleeve is equipped with end face shielded layer, all insulation
The bus metal screen layer of tube type bus is connected with the first metal screen layer of the first insulation sleeve；Another all-insulating tubular bus
End be connected with the other end of the first insulation sleeve, bus metal screen layer connects close to the endface of the first insulation sleeve
Ground wire；Alternatively, the both ends end face of first insulation sleeve is not provided with end face shielded layer；Two sections of adjacent all-insulating tubular bus
It is connected by the first insulation sleeve, wherein the bus metal screen layer of one section of all-insulating tubular bus is at the end close to the first insulation sleeve
Ground line is connected at face；Or the bus metal screen layer of two sections of all-insulating tubular bus is in the endface close to the first insulation sleeve
It is all connected with ground line.
Further, the inner surface of above-mentioned first insulation sleeve is equipped with internal shield, and internal shield includes in the first low-pressure end
Shielded layer；The both ends of the first insulation sleeve are arranged in by spraying or vulcanization for the first low-pressure end internal shield；The all insulation
The bus external shielding layer of tube type bus end is connected with the first low-pressure end internal shield of all insulation transition joint by overlap joint.
Further, above-mentioned tube type bus connector includes outer bevel-type all insulation connector, outer bevel-type all insulation connector
It is connected for all-insulating tubular bus with the electrical equipment all insulation of outer cone inlet-outlet line mode；The outer bevel-type all insulation connector
Including the second conductive sleeve and the second insulation sleeve, the second external shielding layer, second insulation sleeve two is arranged in the second insulation sleeve outer surface
End end face is not provided with end face shielded layer；
The end of all-insulating tubular bus is connected with the second insulation sleeve, and bus metal screen layer is close to the second insulation sleeve
Endface connect ground line.
Further, the inner surface of above-mentioned second insulation sleeve is equipped with internal shield, and internal shield includes in the second low-pressure end
Shielded layer；The second low-pressure end internal shield is connected by spraying or vulcanization setting in the second insulation sleeve and all-insulating tubular bus
The one end connect；Second low-pressure end of the bus external shielding layer of the all-insulating tubular bus end and outer bevel-type all insulation connector
Internal shield is connected by overlap joint.
Further, above-mentioned tube type bus connector includes cold-shrinkable terminal, cold-shrinkable terminal for all-insulating tubular bus and
The connection of electrical equipment open type；The cold-shrinkable terminal includes third insulation sleeve, and third insulation sleeve both ends end face is not provided with
End face shielded layer；The third insulation sleeve is sleeved on all-insulating tubular bus, the bus metallic shield of all-insulating tubular bus
Layer connects ground line in the endface close to third insulation sleeve.
Further, the inner surface of above-mentioned third insulation sleeve is equipped with third low-pressure end internal shield；The all insulation cast
The bus external shielding layer of bus end is connected with the third low-pressure end internal shield of cold-shrinkable terminal by overlap joint.
Further, above-mentioned tube type bus connector includes internal cone type all insulation connector, internal cone type all insulation connector
It is connected for all-insulating tubular bus with the electrical equipment all insulation of inner cone inlet-outlet line mode；The internal cone type all insulation connector
Including the 4th conductive sleeve and the 4th insulation sleeve；4th insulation sleeve both ends end face is not provided with end face shielded layer；All-insulation tube
The end of type bus is connected with the 4th insulation sleeve, and bus metal screen layer connects ground connection in the endface close to the 4th insulation sleeve
Line.
Further, the inner surface of above-mentioned 4th insulation sleeve is equipped with the 4th low-pressure end internal shield；4th low-pressure end
One end that the 4th insulation sleeve is connect with all-insulating tubular bus is arranged in by spraying or vulcanization in internal shield；The all-insulation tube
The bus external shielding layer of type bus end is connected with the 4th low-pressure end internal shield of internal cone type all insulation connector by overlap joint.
Further, above-mentioned first low-pressure end internal shield, the second low-pressure end internal shield, third low-pressure end internal shield
With the 4th low-pressure end internal shield with a thickness of 0.1~8mm, resistance value≤50K Ω.Using in the inner surface spraying of insulation sleeve or sulphur
Change low-pressure end internal shield, substitutes former bus and extrude processing method, do not need to process inclined-plane in end of bus bars, avoid because of straight end
The problem of there is step in face lap-joint, forms air gap, causes shelf depreciation.
Further, above-mentioned first low-pressure end internal shield, the second low-pressure end internal shield, third low-pressure end internal shield
With the 4th low-pressure end internal shield with a thickness of 3~6mm, resistance value is 1K Ω~10K Ω.This range inner shield effect is best, system
Make Optimum cost.
Further, above-mentioned bus external shielding layer with a thickness of 0.1~0.5mm, with the first low-pressure end internal shield,
The resistance value of two low-pressure end internal shields, third low-pressure end internal shield and the 4th low-pressure end internal shield overlap is low with first
The resistance of pressure side internal shield, the second low-pressure end internal shield, third low-pressure end internal shield and the 4th low-pressure end internal shield
It is worth corresponding.
Compared with prior art, the utility model has the advantages that:
1, in the application all-insulating tubular bus system, earthing mode key is one end end or both ends of insulation sleeve
End is not provided with end face shielded layer, forms cut-off point, distinguishes multistage ground connection by cut-off point, each section of ground connection mutually insulated does not connect
It is logical, to guarantee the reliability of bonding.
2, low-pressure end internal shield is arranged on insulation sleeve by spraying or vulcanization, and using screen in overlap joint connection low-pressure end
Layer and bus external shielding layer are covered, so that not needing to process inclined-plane in end of bus bars, is avoided because step occurs in straight end face lap-joint,
The problem of forming air gap, causing shelf depreciation, can obtain preferable inner shield effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model all-insulating tubular bus system first embodiment；
Fig. 2 is the partial enlarged view of Fig. 1 embodiment；
Fig. 3 is the structural schematic diagram of the utility model all-insulating tubular bus system second embodiment；
Fig. 4 is the structural schematic diagram of the utility model all-insulating tubular bus system 3rd embodiment；
Fig. 5 is the structural schematic diagram of the utility model all-insulating tubular bus system fourth embodiment；
Fig. 6 is the structural schematic diagram of the 5th embodiment of the utility model all-insulating tubular bus system；
Fig. 7 is the partial enlarged view of Fig. 6 embodiment；
Fig. 8 is the structural schematic diagram of the utility model all-insulating tubular bus system sixth embodiment.
Each label is described as follows in figure:
0-ground line；
1-all-insulating tubular bus；11-bus contact tubes, 12-bus insulation layers, 13-bus external shielding layers, 14-
Bus metal screen layer；
2-all insulation transition joints；
21-the first conductive sleeve, the 22-the first insulation sleeve, the 23-the first external shielding layer, the 24-the first metal screen layer,
25-end face shielded layers, the 26-the first high-voltage end internal shield, the 27-the first low-pressure end internal shield；
3-outer bevel-type all insulation connectors；
31-the second conductive sleeve, the 32-the second insulation sleeve, the 33-the second external shielding layer, the 34-the second low-pressure end inner shield
Layer；
4-cold-shrinkable terminals；41-third insulation sleeves, 42-third low-pressure end internal shields；
5-internal cone type all insulation connectors；Screen in 51-the four conductive sleeve, the 4th insulation sleeve of 52-, the 53-the four low-pressure end
Cover layer；
6-branch joints；7-full-shield plug-pull arresters；
8-the first all-insulating tubular bus, the 9-the second all-insulating tubular bus；
10-test gas tanks.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of all-insulating tubular bus systems, including all insulation transition joint 2
With multistage all-insulating tubular bus 1.
All insulation transition joint 2 includes the first conductive sleeve 21 and the first insulation sleeve 22.
The inner surface of first insulation sleeve 22 is equipped with internal shield, and internal shield includes the first high-voltage end internal shield 26 and the
One low-pressure end internal shield 27；First low-pressure end internal shield 27 is arranged in the two of the first insulation sleeve 22 by spraying or vulcanization
End；First low-pressure end internal shield 27 with a thickness of 0.1~8mm, resistance value≤50K Ω, preferred thickness is 3~6mm, resistance value 1K
Ω~10K Ω.First high-voltage end internal shield 26 is located at the middle part of the first insulation sleeve 22, and length is greater than the first conductive sleeve 21
Length.
The first external shielding layer 23 is arranged in first insulation sleeve, 22 outer surface, and the first external shielding layer 23 is spraying or vulcanizes first
The semi-conductive rubber of 22 excircle of insulation sleeve；End face shielded layer 25 is arranged in first insulation sleeve, 22 one end end face, and the other end face is not
End face shielded layer 25 is set；End face shielded layer 25 is the semi-conductive rubber of spraying or vulcanization in 22 end face of the first insulation sleeve.First
The first metal screen layer 24 made of tubular copper mesh is set on the first external shielding layer 23 of insulation sleeve 22.
All-insulating tubular bus 1 includes bus contact tube 11 and bus insulation layer 12.The setting of 12 outer surface of bus insulation layer
Bus external shielding layer 13；The bus metal screen layer 14 made of tubular copper mesh is arranged in 13 excircle of bus external shielding layer.
In two sections of adjacent all-insulating tubular bus 1, the end of one of all-insulating tubular bus 1 and the first insulation sleeve
22 one end for being equipped with end face shielded layer 25 are connected, the bus metal screen layer 14 and the first insulation sleeve of the all-insulating tubular bus 1
22 the first metal screen layer 24 is connected by snap ring；
The end of another all-insulating tubular bus 1 is connected with the other end of the first insulation sleeve 22, bus metallic shield
Layer 14 passes through constant force snap ring connection ground line 0 close to the endface of the first insulation sleeve 22.
All-insulating tubular bus system provided in this embodiment not only can guarantee effective shielding of electric field stress, while can also
It realizes that shielding disconnects to be not connected to, to truly be divided into the semi-conductive layer of whole section of all-insulating tubular bus system circuit more
Section carries out multipoint earthing；It ensure that the reliable tangible function of surface zero potential for realizing high voltage, high current all-insulating tubular bus
Energy.
In addition, in the end and 2 junction of all insulation transition joint of all-insulating tubular bus 1, all-insulating tubular bus end
The bus external shielding layer 13 of head is connected with the first low-pressure end internal shield 27 of all insulation transition joint 2 by overlap joint.
The resistance with a thickness of 0.1~0.5mm, with 27 overlap of the first low-pressure end internal shield of bus external shielding layer 13
It is worth corresponding with the resistance value of the first low-pressure end internal shield 27.I.e. as the resistance value of the first low-pressure end internal shield 27≤50K Ω,
Bus external shielding layer 13 is corresponding to the resistance value of 27 overlap of the first low-pressure end internal shield≤50K Ω；When in the first low-pressure end
When the resistance value of shielded layer 27 is 1K Ω~10K Ω, 27 overlap of bus external shielding layer 13 and the first low-pressure end internal shield
Resistance value mutually should be 1K Ω~10K Ω.
First low-pressure end internal shield 27 is arranged on the first insulation sleeve 22 by spraying or vulcanization, and using overlap joint connection
First low-pressure end internal shield 27 and bus external shielding layer 13 avoid so that not needing to process inclined-plane in end of bus bars because straight
The problem of step occurs in end face lap-joint, forms air gap, causes shelf depreciation, can obtain preferable inner shield effect.
Embodiment two
As shown in figure 3, the present embodiment provides a kind of all-insulating tubular bus system, including all-insulating tubular bus 1 and outer
Bevel-type all insulation connector 3；Outer bevel-type all insulation connector 3 is used for the electricity of all-insulating tubular bus 1 and outer cone inlet-outlet line mode
The connection of gas equipment all insulation.
All-insulating tubular bus 1 includes bus contact tube 11 and bus insulation layer 12, the setting of 12 outer surface of bus insulation layer
Bus external shielding layer 13 is equipped with bus metal screen layer 14 on the outside of bus external shielding layer 13.
Outer bevel-type all insulation connector 3 includes the second conductive sleeve 31 and the second insulation sleeve 32,32 outer surface of the second insulation sleeve
Second external shielding layer 33 is set, and 32 both ends end face of the second insulation sleeve is not provided with end face shielded layer；
The end of all-insulating tubular bus 1 is connected with the second insulation sleeve 32, and bus metal screen layer 14 is close to second
The endface connection ground line 0 of insulation sleeve 32.
The inner surface of second insulation sleeve 32 is equipped with internal shield, and internal shield includes the second low-pressure end internal shield 34；The
Two low-pressure end internal shields 34 are arranged in the second insulation sleeve 32 is connect with all-insulating tubular bus 1 one by spraying or vulcanization
End；Second low-pressure end inner shield of the bus external shielding layer 13 of 1 end of all-insulating tubular bus and outer bevel-type all insulation connector 3
Layer 34 is connected by overlap joint.
Second low-pressure end internal shield 34 is with a thickness of 0.1~8mm, resistance value≤50K Ω；It is preferred that the second low-pressure end internal shield
34 with a thickness of 3~6mm, resistance value is 1K Ω~10K Ω.Bus external shielding layer 13 with a thickness of 0.1~0.5mm, with second
The resistance value of 34 overlap of low-pressure end internal shield is corresponding with the resistance value of the second low-pressure end internal shield 34.
Embodiment three
As shown in figure 4, the present embodiment provides a kind of all-insulating tubular bus system, including all-insulating tubular bus 1 and cold
Contracting terminal 4；Cold-shrinkable terminal 4 is connected for all-insulating tubular bus 1 with electrical equipment open type.
All-insulating tubular bus 1 includes bus contact tube 11 and bus insulation layer 12, the setting of 12 outer surface of bus insulation layer
Bus external shielding layer 13 is equipped with bus metal screen layer 14 on the outside of bus external shielding layer 13.
Cold-shrinkable terminal 4 includes third insulation sleeve 41, and 41 both ends end face of third insulation sleeve is not provided with end face shielded layer；Third
Insulation sleeve 41 is sleeved on all-insulating tubular bus 1, and the bus metal screen layer 14 of all-insulating tubular bus 1 is exhausted close to third
The endface connection ground line 0 of edge set 41.
The inner surface of third insulation sleeve 41 is equipped with third low-pressure end internal shield 42；The mother of 1 end of all-insulating tubular bus
Line external shielding layer 13 is connected with the third low-pressure end internal shield 42 of cold-shrinkable terminal 4 by overlap joint.
Third low-pressure end internal shield 42 with a thickness of 0.1~8mm, resistance value≤50K Ω；It is preferred that third low-pressure end inner shield
Layer 42 with a thickness of 3~6mm, resistance value is 1K Ω~10K Ω.Bus external shielding layer 13 with a thickness of 0.1~0.5mm, with
The resistance value of three low-pressure end internal shields, 42 overlap is corresponding with the resistance value of third low-pressure end internal shield 42.
Example IV
As shown in figure 5, the present embodiment provides a kind of all-insulating tubular bus system, including all-insulating tubular bus 1 and interior
Bevel-type all insulation connector 5, internal cone type all insulation connector 5 are used for the electricity of all-insulating tubular bus 1 and inner cone inlet-outlet line mode
The connection of gas equipment all insulation.
All-insulating tubular bus 1 includes bus contact tube 11 and bus insulation layer 12, the setting of 12 outer surface of bus insulation layer
Bus external shielding layer 13 is equipped with bus metal screen layer 14 on the outside of bus external shielding layer 13.
Internal cone type all insulation connector 5 includes the 4th conductive sleeve 51 and the 4th insulation sleeve 52；4th insulation sleeve, 52 both ends end
Face is not provided with end face shielded layer；The end of all-insulating tubular bus 1 is connected with the 4th insulation sleeve 52, bus metal screen layer
14 close to the endface of the 4th insulation sleeve 52 connection ground line 0.
The inner surface of 4th insulation sleeve 52 is equipped with the 4th low-pressure end internal shield 53；4th low-pressure end internal shield 53 passes through
One end that the 4th insulation sleeve 52 is connect with all-insulating tubular bus 1 is arranged in spraying or vulcanization；1 end of all-insulating tubular bus
Bus external shielding layer 13 is connected with the 4th low-pressure end internal shield 53 of internal cone type all insulation connector 5 by overlap joint.
4th low-pressure end internal shield 53 with a thickness of 0.1~8mm, resistance value≤50K Ω；It is preferred that the 4th low-pressure end inner shield
Layer 53 with a thickness of 3~6mm, resistance value is 1K Ω~10K Ω.Bus external shielding layer 13 with a thickness of 0.1~0.5mm, with
The resistance value of four low-pressure end internal shields, 53 overlap is corresponding with the resistance value of the 4th low-pressure end internal shield 53.
Embodiment five
As shown in Figure 6, Figure 7, the present embodiment provides a kind of all-insulating tubular bus system, including all insulation transition joint 2,
Branch joint 6 and multistage all-insulating tubular bus 1.
Branch joint 6 is three-port structure, three of them bus connecting pin is separately connected all insulation cast of different pore size size
Bus 1, while branch joint 6 connects full-shield plug-pull arrester 7 by its inner cone connector；Three all-insulation tubes can be achieved
Type bus 1 is docked with full-shield plug-pull arrester 7.
The structure and usage mode of all insulation transition joint 2 are similar with embodiment one；It is worth noting that, relative to complete
It shields in multiple all insulation transition joints 2 that plug-pull arrester 7 is arranged, to guarantee that every section of all-insulating tubular bus 1 is grounded,
The position of the setting of all insulation transition joint 2 ground line 0 should be consistent in the same side, and operator can in actual installation process
Flexible setting according to the actual needs of the site.
Embodiment six
As shown in figure 8, the present embodiment provides a kind of all-insulating tubular bus system, including the first all-insulating tubular bus 8,
Second all-insulating tubular bus 9, all insulation transition joint 2 such as in embodiment 1, the cold-shrinkable terminal 4 in such as embodiment 3 and such as
Internal cone type all insulation connector 5 in embodiment 4.
First all-insulating tubular bus 8 is connected with the second all-insulating tubular bus 9 by all insulation transition joint 2, and second
All-insulating tubular bus 9 connects ground line in the way of embodiment 1.The end of first all-insulating tubular bus 8 and internal cone type
All insulation connector 5 is connected, and internal cone type all insulation connector 5 is arranged in the test gas tank of filling SF6 or transformer oil；Shrinkage
Terminal 4 is set on the second all-insulating tubular bus 9.
The 40.5kV all-insulating tubular bus Systematic selection difference bus-bar system parameter designed according to the present embodiment is carried out
Test, test result are as follows:
As can be seen from the above table, the all-insulating tubular bus system for meeting the application bus-bar system parameter can be by various
Test requirements document has excellent all insulation performance.
Above embodiments are only that preferred embodiments of the present invention are described, not by the utility model
Technical solution limited to this, those skilled in the art are made any on the basis of the design of the major technique of the utility model
Known deformation belongs to the claimed technology scope of the utility model.
Claims (12)
1. a kind of all-insulating tubular bus system, including multistage all-insulating tubular bus (1) and the connection of at least two tube type bus
Part；The all-insulating tubular bus (1) includes bus contact tube (11) and bus insulation layer (12), bus insulation layer (12) appearance
Bus external shielding layer (13) are arranged in face；
It is characterized by also including at least two ground lines (0)；
All-insulating tubular bus (1) end is assemblied in tube type bus connector, on the inner surface of tube type bus connector
Internal shield is set, and the external shielding layer and tube type bus connector internal shield of all-insulating tubular bus (1) carry out shielding overlap joint；
The all-insulating tubular bus (1) is provided with bus metal screen without assigned in the naked section outside in tube type bus connector
It covers layer (14), ground line (0) is arranged on bus metal screen layer (14), does not constitute circuit between any two ground line (0).
2. a kind of all-insulating tubular bus system according to claim 1, it is characterised in that:
The tube type bus connector includes all insulation transition joint (2)；
The all insulation transition joint (2) includes the first conductive sleeve (21) and the first insulation sleeve (22), and the first insulation sleeve (22) is outside
The first external shielding layer (23) are arranged in surface, and the first metal screen layer (24) are arranged on the first external shielding layer (23)；
First insulation sleeve (22) only one end end face setting end face shielded layer (25)；
In two sections of adjacent all-insulating tubular bus (1), the end of one of all-insulating tubular bus (1) and the first insulation sleeve
(22) one end equipped with end face shielded layer (25) is connected, the bus metal screen layer (14) of the all-insulating tubular bus (1) and the
The first metal screen layer (24) of one insulation sleeve (22) is connected；
The end of another all-insulating tubular bus (1) is connected with the other end of the first insulation sleeve (22), bus metallic shield
Layer (14) is in the endface connection ground line (0) close to the first insulation sleeve (22)；
Alternatively,
The both ends end face of first insulation sleeve (22) is not provided with end face shielded layer；
Two sections of adjacent all-insulating tubular bus (1) are connected by the first insulation sleeve (22), wherein one section of all-insulating tubular bus
(1) bus metal screen layer (14) is in the endface connection ground line (0) close to the first insulation sleeve (22)；Or two sections it is complete absolutely
The bus metal screen layer (14) of edge tube type bus (1) is all connected with ground line (0) in the endface close to the first insulation sleeve (22).
3. a kind of all-insulating tubular bus system according to claim 2, it is characterised in that:
The inner surface of first insulation sleeve (22) is equipped with internal shield, and internal shield includes the first low-pressure end internal shield
(27)；
The first low-pressure end internal shield (27) is arranged by spraying or vulcanization at the both ends of the first insulation sleeve (22)；
The bus external shielding layer (13) of all-insulating tubular bus (1) end and first low pressure of all insulation transition joint (2)
Internal shield (27) are held to be connected by overlap joint.
4. a kind of all-insulating tubular bus system according to claim 1, it is characterised in that:
The tube type bus connector includes outer bevel-type all insulation connector (3), and outer bevel-type all insulation connector (3) is for complete exhausted
Edge tube type bus (1) is connected with the electrical equipment all insulation of outer cone inlet-outlet line mode；
The outer bevel-type all insulation connector (3) includes the second conductive sleeve (31) and the second insulation sleeve (32), the second insulation sleeve
(32) outer surface setting the second external shielding layer (33),
Second insulation sleeve (32) the both ends end face is not provided with end face shielded layer；
The end of all-insulating tubular bus (1) is connected with the second insulation sleeve (32), and bus metal screen layer (14) is close to the
The endface connection ground line (0) of two insulation sleeves (32).
5. a kind of all-insulating tubular bus system according to claim 4, it is characterised in that:
The inner surface of second insulation sleeve (32) is equipped with internal shield, and internal shield includes the second low-pressure end internal shield
(34)；
The second low-pressure end internal shield (34) is arranged by spraying or vulcanization in the second insulation sleeve (32) and all insulation cast
One end of bus (1) connection；
The bus external shielding layer (13) of all-insulating tubular bus (1) end and the second of outer bevel-type all insulation connector (3)
Low-pressure end internal shield (34) is connected by overlap joint.
6. a kind of all-insulating tubular bus system according to claim 1, it is characterised in that:
The tube type bus connector includes cold-shrinkable terminal (4), and cold-shrinkable terminal (4) is for all-insulating tubular bus (1) and electrical
The connection of equipment open type；
The cold-shrinkable terminal (4) includes third insulation sleeve (41),
Third insulation sleeve (41) the both ends end face is not provided with end face shielded layer；
The third insulation sleeve (41) is sleeved on all-insulating tubular bus (1), the bus metal screen of all-insulating tubular bus (1)
Layer (14) is covered in the endface connection ground line (0) close to third insulation sleeve (41).
7. a kind of all-insulating tubular bus system according to claim 6, it is characterised in that: the third insulation sleeve (41)
Inner surface be equipped with third low-pressure end internal shield (42)；
Screen in the bus external shielding layer (13) of all-insulating tubular bus (1) end and the third low-pressure end of cold-shrinkable terminal (4)
Layer (42) are covered to be connected by overlap joint.
8. a kind of all-insulating tubular bus system according to claim 1, it is characterised in that:
The tube type bus connector includes internal cone type all insulation connector (5), and internal cone type all insulation connector (5) is for complete exhausted
Edge tube type bus (1) is connected with the electrical equipment all insulation of inner cone inlet-outlet line mode；
The internal cone type all insulation connector (5) includes the 4th conductive sleeve (51) and the 4th insulation sleeve (52)；
4th insulation sleeve (52) the both ends end face is not provided with end face shielded layer；
The end of all-insulating tubular bus (1) is connected with the 4th insulation sleeve (52), and bus metal screen layer (14) is close to the
The endface connection ground line (0) of four insulation sleeves (52).
9. a kind of all-insulating tubular bus system according to claim 8, it is characterised in that:
The inner surface of 4th insulation sleeve (52) is equipped with the 4th low-pressure end internal shield (53)；
The 4th low-pressure end internal shield (53) is arranged by spraying or vulcanization in the 4th insulation sleeve (52) and all insulation cast
One end of bus (1) connection；
The bus external shielding layer (13) of all-insulating tubular bus (1) end and the 4th of internal cone type all insulation connector (5)
Low-pressure end internal shield (53) is connected by overlap joint.
10. a kind of all-insulating tubular bus system according to claim 3, it is characterised in that: in first low-pressure end
Shielded layer (27), the second low-pressure end internal shield (34), third low-pressure end internal shield (42) and the 4th low-pressure end internal shield
(53) with a thickness of 0.1~8mm, resistance value≤50K Ω.
11. a kind of all-insulating tubular bus system according to claim 10, it is characterised in that: in first low-pressure end
Shielded layer (27), the second low-pressure end internal shield (34), third low-pressure end internal shield (42) and the 4th low-pressure end internal shield
(53) with a thickness of 3~6mm, resistance value is 1K Ω~10K Ω.
12. a kind of all-insulating tubular bus system according to claim 11, it is characterised in that: the bus external shielding layer
(13) with a thickness of 0.1~0.5mm, with the first low-pressure end internal shield (27), the second low-pressure end internal shield (34), third
The resistance value of low-pressure end internal shield (42) and the 4th low-pressure end internal shield (53) overlap and the first low-pressure end internal shield
(27), the second low-pressure end internal shield (34), third low-pressure end internal shield (42) and the 4th low-pressure end internal shield (53)
Resistance value it is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988142.3U CN209016682U (en) | 2018-11-29 | 2018-11-29 | A kind of all-insulating tubular bus system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988142.3U CN209016682U (en) | 2018-11-29 | 2018-11-29 | A kind of all-insulating tubular bus system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016682U true CN209016682U (en) | 2019-06-21 |
Family
ID=66843310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821988142.3U Withdrawn - After Issue CN209016682U (en) | 2018-11-29 | 2018-11-29 | A kind of all-insulating tubular bus system |
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| Country | Link |
|---|---|
| CN (1) | CN209016682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510161A (en) * | 2018-11-29 | 2019-03-22 | 西安神电高压电器有限公司 | A kind of all-insulating tubular bus system |
-
2018
- 2018-11-29 CN CN201821988142.3U patent/CN209016682U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510161A (en) * | 2018-11-29 | 2019-03-22 | 西安神电高压电器有限公司 | A kind of all-insulating tubular bus system |
| CN109510161B (en) * | 2018-11-29 | 2023-08-25 | 西安神电高压电器有限公司 | All-insulated tubular bus system |
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